The formula s = 16t2 is used to approximate the distance s, in feet, that an object falls freely (from rest) in t seconds. Use this formula to solve the problem. (Round answer to the nearest tenth.)A man drops his keys off a building 1040 ft high. How long does it take the keys, falling freely, to hit the ground?
A. About 129.0 sec
B. About 8.1 sec
C. About 65.0 sec
D. About 32.5 sec
Answer: B
Mathematics
You might also like to view...
Insert < or > to make the statement true.0 _____ |-17|
A. < B. >
Mathematics
Determine the locus of points.
All points inside a circle of radius 12 units and 20 units from the circle.
Mathematics
Use the graph of y = g(x) to answer the question.
Find f(1).
A. 3 B. -1 C. 0 D. 4
Mathematics
Solve the problem.If an object is dropped from rest, the distance it falls in t seconds is given by d = 
gt2, where g is approximately 32 ft/sec2. Find the distance an object would fall in 6 seconds.
A. 96 ft B. 288 ft C. 1152 ft D. 576 ft
Mathematics